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DHCP Snooping: Basic Concepts and Configuration
By Mason Harris
Feb 9, 2016
Mason Harris, CCIE #5916 and co-author of CCNA Security 210-260 Complete Video Course, provides a streamlined introduction to DHCP snooping, a barrier to denial-of-service and man-in-the-middle attacks on organizational networks.
Video: OCA Java SE 8 Programmer I (1Z0-808): Comparing While and Simple for Loops
By Simon Roberts
Feb 8, 2016
In this excerpt from OCA Java SE 8 Programmer I (1Z0-808) Complete Video Course, Simon Roberts compares the while and simple for loop in Java SE 8.
Peripherals and Custom Computing
By David L. Prowse
Feb 2, 2016
Learn about the devices and peripherals we add on to the computer, the ports they connect to, as well as some custom PC configurations you will undoubtedly encounter in the field.
Cisco Video Surveillance
By Brian Morgan, Jason Ball
Jan 25, 2016
This chapter from CCNA Collaboration CIVND 210-065 Official Cert Guide offers a high-level overview of the solution Cisco offers in IP surveillance. The first section reviews legacy closed-circuit TV (CCTV) video-surveillance architecture and how it has evolved into what is available today. The subsequent sections cover Cisco’s physical security offering, the components involved with their solution, and the architectural design of how all the different elements work together.
Understanding RRM
By David Hucaby
Jan 22, 2016
This chapter covers configuring 802.11 support and understanding RRM.
Exam Profile: LPIC-2 (201 and 202)
By William "Bo" Rothwell
Jan 20, 2016
William "Bo" Rothwell, author of LPIC-2 Cert Guide, shares details to help you prepare for and pass the LPIC-2 exams (201-400 and 202-400).
Cisco CCNA Wireless 200-355 Exam Profile
By Jerome Henry
Jan 18, 2016
Jerome Henry, author of CCNA Wireless 200-355 Complete Video Course, shares details to help you prepare for and pass Cisco CCNA Wireless exam 200-355.
Linux File Management Basics
By Ross Brunson, Sean Walberg
Jan 13, 2016
This chapter from CompTIA Linux+ / LPIC-1 Cert Guide: (Exams LX0-103 & LX0-104/101-400 & 102-400) covers Linux file system management as it pertains to the objectives on the CompTIA Linux+ / LPIC-1 exam.
WAN Technologies: Important Points of Interest, Part 3 of 3
By Sean Wilkins
Jan 13, 2016
Concluding this three-part series on WAN technologies, Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, Academic Edition, discusses how satellite, wireless data, and leased lines are used as part of a networking solution.
WAN Technologies: Important Points of Interest, Part 2 of 3
By Sean Wilkins
Jan 6, 2016
In Part 2 of a three-part series, Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, Academic Edition, reviews popular low-end and mid-grade offerings for Internet access: dial-up, ISDN, DSL, and cable.
Video: CompTIA A+ (220-901) Complete Video Course - An Overview
By David L. Prowse
Dec 31, 2015
In this excerpt from CompTIA A+ 220-901 Complete Video Course, David Prowse discusses his complete video course and how it can help you pass the CompTIA A+ 220-901 exam.
Video: CompTIA A+ (220-901): DNS
By David L. Prowse
Dec 30, 2015
In this excerpt from CompTIA A+ 220-901 Complete Video Course, David Prowse discusses DNS, a system of servers that take care of the translation of domain or host names to IP addresses. David defines DNS and shows how DNS works within Windows.
WAN Technologies: Important Points of Interest, Part 1 of 3
By Sean Wilkins
Dec 29, 2015
In the first article of a three-part series, Sean Wilkins, co-author of CCNA Routing and Switching 200-120 Network Simulator, Academic Edition, provides an overview of some of the wide area networking (WAN) technologies that network engineers need to know to get that first job in the industry, or to move up in their chosen field.
Video: CompTIA A+ (220-901): Diagnostics and Monitoring
By David L. Prowse
Dec 28, 2015
In this excerpt from CompTIA A+ 220-901 Complete Video Course, David Prowse discusses diagnostics and monitoring, including CPU and motherboard temperature, fan speeds, and voltages.
Video: CompTIA A+ (220-901) Complete Video Course - An Introduction to Module 1: Hardware
By David L. Prowse
Dec 25, 2015
In this excerpt from CompTIA A+ 220-901 Complete Video Course, David Prowse introduces Module 1 on hardware and discusses the topics covered in this module, including motherboard components, the CPU, RAM, PC expansion cards, and more.
Video: CompTIA A+ (220-901) - PC Build: Power
By David L. Prowse
Dec 23, 2015
In this excerpt from CompTIA A+ 220-901 Complete Video Course, David Prowse shows you how to install your power supply into the case of your computer when building your PC.
Video: CCNA Security 210- 260: Configuring IOS for Device Admin with ACS
By Omar Santos, Mason Harris, Aaron Woland
Dec 21, 2015
In this excerpt from CCNA Security 210-260 Complete Video Course, Aaron Woland discusses configuring IOS for device administration using ACS.
Video: CCNA Security 210-260: IPS Configuration Basics: Rules and Detection Methods
By Omar Santos, Mason Harris, Aaron Woland
Dec 17, 2015
In this excerpt from CCNA Security 210-260 Complete Video Course, Mason Harris discusses rules and detection methods for IPS configuration methods, including false positives and negatives, types of methods for IDS/IPS detection, and signature-based, policy-based, anomaly-based, and reputation-based IDS/IPS rules.
Video: LPIC-1 Exam 102: Working witih Read and Arguments
By Sander van Vugt
Dec 17, 2015
There are two generic solutions to make a script interactive: read and arguments. In this excerpt from LPIC-1 (Exam 102) LiveLessons: Linux Professional Institute Certification Exam 102, Sander van Vugt discusses both read and arguments.
Video: CCNA Security 210-260 Complete Video Course: An Introduction
By Omar Santos, Mason Harris, Aaron Woland
Dec 16, 2015
In this excerpt from CCNA Security 210-260 Complete Video Course, the authors introduce their video course and discuss what they will cover.

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